Note scripts can also be found in attachment @ http://support.dbvisit.com/hc/en-us/articles/220551807-Data-Discovery-Scripts-Replicate
The following script can help determine if the tables in your schema contain unsupported datatypes:
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Prompt Specify owner for the tables that you want to replicate Prompt Specify table_name(s) for the tables that you want to replicate. % for all. column owner format A45 set linesize 200 set pagesize 5000 ttitle left '***** Unsupported Data Types *****' skip 2 btitle off spool unsupported.txt select owner, table_name, column_name, data_type from sys.dba_tab_cols where data_type not in ( 'NUMBER', 'FLOAT', 'VARCHAR2', 'VARCHAR', 'CHAR', 'NCHAR', 'NVARCHAR2', 'LONG', 'LONG RAW', 'DATE', 'RAW', 'BFILE', 'CLOB', 'BLOB', 'NCLOB' ) and data_type not like 'INTERVAL%' and data_type not like 'TIMESTAMP%' and owner not in ( 'XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES', 'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP','APEX_040200','LBACSYS') and table_name not in (select view_name from dba_views) order by owner,table_name; spool off |
Unsupported Identity Columns (12c)
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-- find_identity_col.sql -- ttitle left '***** 12c Tables that have an identity feature column *****' skip 2 btitle off set linesize 150 column owner format A40 column table_name format A40 column column_name format A40 spool identity.txt select owner, table_name, column_name from ALL_TAB_IDENTITY_COLS where owner not in ( 'XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200', 'FLOWS_FILES','EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP', 'ORDSYS','DBVREP','APEX_040200','LBACSYS') and table_name not like 'BIN%' order by 1,2,3; spool off; |
Unsupported LOB options (11g SecureFiles):
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Prompt Specify owner for the tables that you want to replicate
Prompt Specify table_name(s) for the tables that you want to replicate. % for all.
column owner format A45
set linesize 200
set pagesize 5000
spool unsupported_LOB.txt
select owner, table_name, column_name
from dba_lobs
where
owner not in (
'XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES',
'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP','APEX_040200','LBACSYS')
and encrypt not in ('NO','NONE')
or compression not in ('NO','NONE')
or deduplication not in ('NO','NONE')
order by owner);
spool off |
Redo Volume Trending Report :
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set linesize 200 set echo off spool redo_estimate.txt select name,dbid, database_role, log_Mode from v$database; select instance_name from v$instance; ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY MM DD'; ttitle left '***** Number of redo files for previous 7 days by hour *****' skip 2 btitle off SELECT to_date(first_time) DAY, to_char(sum(decode(to_char(first_time,'HH24'),'00',1,0)),'9999') "00", to_char(sum(decode(to_char(first_time,'HH24'),'01',1,0)),'9999') "01", to_char(sum(decode(to_char(first_time,'HH24'),'02',1,0)),'9999') "02", to_char(sum(decode(to_char(first_time,'HH24'),'03',1,0)),'9999') "03", to_char(sum(decode(to_char(first_time,'HH24'),'04',1,0)),'9999') "04", to_char(sum(decode(to_char(first_time,'HH24'),'05',1,0)),'9999') "05", to_char(sum(decode(to_char(first_time,'HH24'),'06',1,0)),'9999') "06", to_char(sum(decode(to_char(first_time,'HH24'),'07',1,0)),'9999') "07", to_char(sum(decode(to_char(first_time,'HH24'),'08',1,0)),'9999') "08", to_char(sum(decode(to_char(first_time,'HH24'),'09',1,0)),'9999') "09", to_char(sum(decode(to_char(first_time,'HH24'),'10',1,0)),'9999') "10", to_char(sum(decode(to_char(first_time,'HH24'),'11',1,0)),'9999') "11", to_char(sum(decode(to_char(first_time,'HH24'),'12',1,0)),'9999') "12", to_char(sum(decode(to_char(first_time,'HH24'),'13',1,0)),'9999') "13", to_char(sum(decode(to_char(first_time,'HH24'),'14',1,0)),'9999') "14", to_char(sum(decode(to_char(first_time,'HH24'),'15',1,0)),'9999') "15", to_char(sum(decode(to_char(first_time,'HH24'),'16',1,0)),'9999') "16", to_char(sum(decode(to_char(first_time,'HH24'),'17',1,0)),'9999') "17", to_char(sum(decode(to_char(first_time,'HH24'),'18',1,0)),'9999') "18", to_char(sum(decode(to_char(first_time,'HH24'),'19',1,0)),'9999') "19", to_char(sum(decode(to_char(first_time,'HH24'),'20',1,0)),'9999') "20", to_char(sum(decode(to_char(first_time,'HH24'),'21',1,0)),'9999') "21", to_char(sum(decode(to_char(first_time,'HH24'),'22',1,0)),'9999') "22", to_char(sum(decode(to_char(first_time,'HH24'),'23',1,0)),'9999') "23" from sys.v$log_history where to_date(first_time) > sysdate -8 GROUP by to_char(first_time,'YYYY-MON-DD'), to_date(first_time) order by to_date(first_time) / rem Size of logs to help do the math in bytes. ttitle left '***** Size of redo logs. Multiple number of logs per hour by Size of Redo to get volume in Meg/Hr *****' skip 2 btitle off select group#,members,archived, status, trunc((bytes)/1000000) Size_of_Redo_Megbytes from sys.v$log / spool off exit |
Tables with no Primary or Unique Keys
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set linesize 200
set pagesize 20000
column owner format A40
column table_name format A60
set echo off
ttitle left '***** Tables without PK or UK output to nokeys.lst *****' skip 2
btitle off
spool nokeys.txt
select name,dbid, database_role, log_Mode from v$database;
select instance_name from v$instance;
select owner, table_name
from dba_tables
where owner not in (
'XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES',
'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP','APEX_040200','LBACSYS')
and table_name not like 'BIN%'
and (owner, table_name) not in (
select owner, table_name
from dba_constraints
where constraint_type in ( 'P', 'U' )
and owner not in ('XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES',
'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP','APEX_040200','LBACSYS')
and table_name not like 'BIN%')
order by owner, table_name
/
spool off |
...
Check for DELETE Cascade constraints
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-- Run on Source & post imported target db spool deldelete_cascade_constraints.txt column owner format A35 set pagesize 4000 set linesize 132 select owner, constraint_name, delete_rule,status FROM dba_constraints where delete_rule = 'CASCADE' and owner not in ( 'XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES', 'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP','APEX_040200','LBACSYS') order by 1,2; spool off |
...
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-- Run on Source as a pre-check
REM ****************************
REM *** Encryption
REM ****************************
spool list_encrypt.txt
ttitle left '***** Encryption Assessment *****' skip 2
btitle off
select * from dict where lower(table_name) like '%encrypted%';
select owner, table_name, COLUMN_NAME, ENCRYPTION_ALG
from DBA_ENCRYPTED_COLUMNS
where owner not in ('XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES',
'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP',
'APEX_040200','LBACSYS')
order by 1,2,3;
spool off |
Check for Transparent Data Encryptions (TDE)
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-- Run on Source as a pre-check
REM ************************************
REM *** Check TDE if parameter found to be TRUE in init/pfile
REM ************************************
column timendate new_value spooltime noprint
set echo off
set linesize 132
set pagesize 50000
btitle off
ttitle off
prompt ***********************************************************************
prompt ** Check if TDE Feature is enabled, OK if query returns not found errors
select SYS_CONTEXT('USERENV', 'DB_NAME')||'_'||'chk_tde'||'_'||to_char(sysdate,'mmddyyyy') timeNdate from dual;
spool &spooltime-output.txt
set echo on
SELECT KEYSTORE_TYPE FROM V$ENCRYPTION_KEYS;
SELECT STATUS FROM V$ENCRYPTION_WALLET;
SELECT TABLESPACE_NAME, ENCRYPTED FROM DBA_TABLESPACES;
SELECT * FROM DBA_ENCRYPTED_COLUMNS
order by owner, table_name, column_name;
set echo off
spool off
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